Solid Carbide End Mill 16mm 16R0.3x48-55x110xD16D1 (Cutting diameter): 16mm D3 (Undercut diameter): 15mm L2 ( Length of cut): 48mm L3 (Length of undercut): 55mm L1 (Total length): 110mm D2 (Shank diameter): 16mm Z (Number of cutting edges): 5 R Corner radius: 0. 3mm Helical pitch: 40 Variable helical pitch with unequal tooth pitch for smooth running and a soft cut Adapted chip chambers for trochoidal milling Optimized design of the chip breakers for maximum tool life Ideal chip evacuation, even